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Exam Overview
Exam Code CPB
Exam Name Certified Professional Biller (CPB)
Vendor AAPC
Total Questions 231
Last Updated 26-Oct, 2026
Free CPB Questions Get Premium Access
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Free CPB Practice Questions

Explore 4 free practice questions for the AAPC CPB exam and review the answers and explanations to support your preparation.

  1. Question 1

    True / False

    Medical Ethics are principles of right or good conduct.

    • Option A: True
      Correct
    • Option B: False
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: A

    Explanation

    The correct answer is indeed TRUE.
    Medical ethics is a system of moral principles that applies values and judgments to the practice of medicine. It serves as a practical guide for healthcare professionals to determine what is right, fair, and good conduct when caring for patients.
    In modern healthcare, these principles of good conduct are generally built upon four core pillars:
    Autonomy: Respecting a patient's right to make their own decisions about their medical care.
    Beneficence: The duty of the healthcare provider to act in the best interest of the patient (doing "good").
    Non-maleficence: The foundational promise to "do no harm" to the patient.
    Justice: Ensuring that medical resources, treatments, and care are distributed fairly and equally across society.

  2. Question 2

    Single answer

    What does it mean by galact and lact?  

    • Option A:
       alcohol
      Correct
    • Option B:
      water
      Correct
    • Option C:
      milk 
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: C

    Explanation

    • What is a solvent? In a chemical solution, the solvent is the substance that is present in the largest amount and does the dissolving.
      What is a solute? The solutes are the substances present in smaller amounts that get dissolved into the solvent.
      In soft drinks: Carbonated beverages are primarily made of water (the liquid solvent), which holds dissolved sugar, flavorings, salts, and carbon dioxide gas ($CO_2$, which gives it its fizz).
      If your question was looking for a different concept (such as what is absorbed directly through the stomach lining, or an alligation math problem), please reply with the full question text and I will gladly break it down for you!

  3. Question 3

    Single answer

    What does it mean by intra and intro?

    • Option A:
      without
      Correct
    • Option B:
      within
      Correct
    • Option C:
      into
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: B

    Explanation

    The correct answer is indeed B (within, into).
    These are Latin prefixes commonly used in English to establish direction, location, or scope. Here is a breakdown of what each one means and how they are used:
    1. Intra- means "Within" or "Inside"
    It indicates that something is happening entirely inside the boundaries of a single object, group, or place.
    Intravenous (IV): Within a vein (e.g., an IV drip delivering medicine directly inside the vein).
    Intranet: A private network accessible only within a specific organization or company.
    Intramural sports: Sports matches played between teams all belonging to the same school.
    2. Intro- means "Into" or "Inward"
    It indicates movement, direction, or turning toward the inside.
    Introduce: To bring or lead into a place, conversation, or group.
    Introvert: A person whose thoughts and interests are turned inward toward themselves.
    Introspection: The act of looking into or examining your own thoughts and feelings.

  4. Question 4

    True / False

    Amendment to the HMO Act of 1973 is legislation that allowed federally qualified HMOs to permit members to occasionally use non HMO physicians and be partially reimbursed.

    • Option A: True
      Correct
    • Option B: False
      Correct
    Show Answer & Explanation Hide Answer & Explanation

    Correct Answer: B

    Explanation

    The HMO Act of 1973 originally mandated strict rules for an organization to be considered a "federally qualified" Health Maintenance Organization (HMO). One of the tightest restrictions was that members had to receive all of their care from the HMO's closed panel of designated, in-network physicians.
    Subsequent amendments to the Act relaxed these rules to make HMOs more appealing and flexible. The specific legislation allowed federally qualified HMOs to offer an out-of-network option (often laying the groundwork for what we now know as a Point-of-Service or POS plan). This meant members could occasionally see a non-HMO physician and still receive partial reimbursement, rather than having to pay 100% out of pocket.
    (Note: If this is from an insurance billing/coding test bank like the AAPC CPB exam, "TRUE" is the officially designated correct answer.)